update docs

docs/language.md

@@ -64,7 +64,7 @@ The left-hand side of a rule, the `When` section, starts with an
 -   ![press image](./images/generated/icon_S2.png){:class="icon"} `press` of button, micro:bit icon, or pin
 -   ![release image](./images/generated/icon_S2B.png){:class="icon"} `release` of button, micro:bit icon, or pin
 -   ![move image](./images/generated/icon_S3.png){:class="icon"} `move` of accelerometer, in various ways
--   ![hear image](./images/generated/icon_S8.png){:class="icon"} measures the amount of sound in the environment (levels 1-5, where 1 is quiet and 5 is very loud)
+-   ![hear image](./images/generated/icon_S8.png){:class="icon"} measures the amount of sound in the environment (levels 1-5, where 1 is quiet and 5 is very loud); it also can respond to a quick/loud sound (event)
 -   ![temperature change image](./images/generated/icon_S6.png){:class="icon"} `temperature change`, either `warmer` or `colder
 -   ![light sensor](./images/generated/icon_S15.png){:class="icon"} `light sensor` measures the amount of light (levels 1 - 5, where 1 means little light present and 5 means a lot of light present)`, using the micro:bit's LED matrix!
 -   ![radio receive image](./images/generated/icon_S7.png){:class="icon"} `radio receive` of a number
@@ -91,7 +91,7 @@ The dialog below shows the parameters associated with the button press/release e
 ![parameters for press/release event](./images/eventParameterDialog.jpg){:class="screenshot"}
 
 -   ![accelerometer](./images/generated/icon_S3.png){:class="icon"} `move`, defaults to ![shake](./images/generated/icon_F17_shake.png){:class="icon"} `shake`; other options include ![tilt up](./images/generated/icon_F17_tilt_up.png){:class="icon"} `tilt up`, ![tilt down](./images/generated/icon_F17_tilt_down.png){:class="icon"} `tilt down`, ![tilt left](./images/generated/icon_F17_tilt_left.png){:class="icon"} `tilt left` and ![tilt right](./images/generated/icon_F17_tilt_right.png){:class="icon"} `tilt right`
--   ![hear image](./images/generated/icon_S8.png){:class="icon"} `hear`, defaults to value 1 (quietest); other options include 2, 3, 4, and 5 (loudest)
+-   ![hear image](./images/generated/icon_S8.png){:class="icon"} `hear` defaults to quick/loud event
 -   ![temperature change](./images/generated/icon_S6.png){:class="icon"} `temperature change`, either 1 degree (Celcius) `warmer`
     ![warmer](./images/generated/icon_F22U.png){:class="icon"} or `colder`
     ![colder](./images/generated/icon_F22D.png){:class="icon"}